SOLUTION: Two types of tickets are sold for a concert. Adult tickets each cost $20, while child tickets each cost $10. A total of 150 tickets are sold, bringing in a total of $2,470. How man
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Question 270054: Two types of tickets are sold for a concert. Adult tickets each cost $20, while child tickets each cost $10. A total of 150 tickets are sold, bringing in a total of $2,470. How many adult tickets were sold?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= number of adult tickets sold
= number of children's tickets sold
given:
(1)
(2)
----------------------
Subtract (1) from (2)
(2)
(1)
97 adult tickets were sold
check answer:
and from (1),
and
(2)
OK
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